Move IPFilter into contrib.

1 files changed, 0 insertions, 308 deletions

diff --git a/sys/netinet/ip_raudio_pxy.c b/sys/netinet/ip_raudio_pxy.c
deleted file mode 100644
index 8b2c231..0000000
--- a/sys/netinet/ip_raudio_pxy.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * $FreeBSD$
- */
-#if SOLARIS && defined(_KERNEL)
-extern	kmutex_t	ipf_rw;
-#endif
-
-#define	IPF_RAUDIO_PROXY
-
-
-int ippr_raudio_init __P((void));
-int ippr_raudio_new __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int ippr_raudio_in __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int ippr_raudio_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-
-static	frentry_t	raudiofr;
-
-
-/*
- * Real Audio application proxy initialization.
- */
-int ippr_raudio_init()
-{
-	bzero((char *)&raudiofr, sizeof(raudiofr));
-	raudiofr.fr_ref = 1;
-	raudiofr.fr_flags = FR_INQUE|FR_PASS|FR_QUICK|FR_KEEPSTATE;
-	return 0;
-}
-
-
-/*
- * Setup for a new proxy to handle Real Audio.
- */
-int ippr_raudio_new(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	raudio_t *rap;
-
-
-	KMALLOCS(aps->aps_data, void *, sizeof(raudio_t));
-	if (aps->aps_data == NULL)
-		return -1;
-
-	bzero(aps->aps_data, sizeof(raudio_t));
-	rap = aps->aps_data;
-	aps->aps_psiz = sizeof(raudio_t);
-	rap->rap_mode = RAP_M_TCP;	/* default is for TCP */
-	return 0;
-}
-
-
-
-int ippr_raudio_out(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	raudio_t *rap = aps->aps_data;
-	unsigned char membuf[512 + 1], *s;
-	u_short id = 0;
-	tcphdr_t *tcp;
-	int off, dlen;
-	int len = 0;
-	mb_t *m;
-#if	SOLARIS
-	mb_t *m1;
-#endif
-
-	/*
-	 * If we've already processed the start messages, then nothing left
-	 * for the proxy to do.
-	 */
-	if (rap->rap_eos == 1)
-		return 0;
-
-	tcp = (tcphdr_t *)fin->fin_dp;
-	off = (ip->ip_hl << 2) + (tcp->th_off << 2);
-	bzero(membuf, sizeof(membuf));
-#if	SOLARIS
-	m = fin->fin_qfm;
-
-	dlen = msgdsize(m) - off;
-	if (dlen <= 0)
-		return 0;
-	copyout_mblk(m, off, MIN(sizeof(membuf), dlen), (char *)membuf);
-#else
-	m = *(mb_t **)fin->fin_mp;
-
-	dlen = mbufchainlen(m) - off;
-	if (dlen <= 0)
-		return 0;
-	m_copydata(m, off, MIN(sizeof(membuf), dlen), (char *)membuf);
-#endif
-	/*
-	 * In all the startup parsing, ensure that we don't go outside
-	 * the packet buffer boundary.
-	 */
-	/*
-	 * Look for the start of connection "PNA" string if not seen yet.
-	 */
-	if (rap->rap_seenpna == 0) {
-		s = (u_char *)memstr("PNA", (char *)membuf, 3, dlen);
-		if (s == NULL)
-			return 0;
-		s += 3;
-		rap->rap_seenpna = 1;
-	} else
-		s = membuf;
-
-	/*
-	 * Directly after the PNA will be the version number of this
-	 * connection.
-	 */
-	if (rap->rap_seenpna == 1 && rap->rap_seenver == 0) {
-		if ((s + 1) - membuf < dlen) {
-			rap->rap_version = (*s << 8) | *(s + 1);
-			s += 2;
-			rap->rap_seenver = 1;
-		} else
-			return 0;
-	}
-
-	/*
-	 * Now that we've been past the PNA and version number, we're into the
-	 * startup messages block.  This ends when a message with an ID of 0.
-	 */
-	while ((rap->rap_eos == 0) && ((s + 1) - membuf < dlen)) {
-		if (rap->rap_gotid == 0) {
-			id = (*s << 8) | *(s + 1);
-			s += 2;
-			rap->rap_gotid = 1;
-			if (id == RA_ID_END) {
-				rap->rap_eos = 1;
-				break;
-			}
-		} else if (rap->rap_gotlen == 0) {
-			len = (*s << 8) | *(s + 1);
-			s += 2;
-			rap->rap_gotlen = 1;
-		}
-
-		if (rap->rap_gotid == 1 && rap->rap_gotlen == 1) {
-			if (id == RA_ID_UDP) {
-				rap->rap_mode &= ~RAP_M_TCP;
-				rap->rap_mode |= RAP_M_UDP;
-				rap->rap_plport = (*s << 8) | *(s + 1);
-			} else if (id == RA_ID_ROBUST) {
-				rap->rap_mode |= RAP_M_ROBUST;
-				rap->rap_prport = (*s << 8) | *(s + 1);
-			}
-			s += len;
-			rap->rap_gotlen = 0;
-			rap->rap_gotid = 0;
-		}
-	}
-	return 0;
-}
-
-
-int ippr_raudio_in(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	unsigned char membuf[IPF_MAXPORTLEN + 1], *s;
-	tcphdr_t *tcp, tcph, *tcp2 = &tcph;
-	raudio_t *rap = aps->aps_data;
-	struct in_addr swa, swb;
-	int off, dlen, slen;
-	int a1, a2, a3, a4;
-	u_short sp, dp;
-	fr_info_t fi;
-	tcp_seq seq;
-	nat_t *ipn;
-	u_char swp;
-	mb_t *m;
-#if	SOLARIS
-	mb_t *m1;
-#endif
-
-	/*
-	 * Wait until we've seen the end of the start messages and even then
-	 * only proceed further if we're using UDP.  If they want to use TCP
-	 * then data is sent back on the same channel that is already open.
-	 */
-	if (rap->rap_sdone != 0)
-		return 0;
-
-	tcp = (tcphdr_t *)fin->fin_dp;
-	off = (ip->ip_hl << 2) + (tcp->th_off << 2);
-	m = *(mb_t **)fin->fin_mp;
-
-#if	SOLARIS
-	m = fin->fin_qfm;
-
-	dlen = msgdsize(m) - off;
-	if (dlen <= 0)
-		return 0;
-	bzero(membuf, sizeof(membuf));
-	copyout_mblk(m, off, MIN(sizeof(membuf), dlen), (char *)membuf);
-#else
-	dlen = mbufchainlen(m) - off;
-	if (dlen <= 0)
-		return 0;
-	bzero(membuf, sizeof(membuf));
-	m_copydata(m, off, MIN(sizeof(membuf), dlen), (char *)membuf);
-#endif
-
-	seq = ntohl(tcp->th_seq);
-	/*
-	 * Check to see if the data in this packet is of interest to us.
-	 * We only care for the first 19 bytes coming back from the server.
-	 */
-	if (rap->rap_sseq == 0) {
-		s = (u_char *)memstr("PNA", (char *)membuf, 3, dlen);
-		if (s == NULL)
-			return 0;
-		a1 = s - membuf;
-		dlen -= a1;
-		a1 = 0;
-		rap->rap_sseq = seq;
-		a2 = MIN(dlen, sizeof(rap->rap_svr));
-	} else if (seq <= rap->rap_sseq + sizeof(rap->rap_svr)) {
-		/*
-		 * seq # which is the start of data and from that the offset
-		 * into the buffer array.
-		 */
-		a1 = seq - rap->rap_sseq;
-		a2 = MIN(dlen, sizeof(rap->rap_svr));
-		a2 -= a1;
-		s = membuf;
-	} else
-		return 0;
-
-	for (a3 = a1, a4 = a2; (a4 > 0) && (a3 < 19) && (a3 >= 0); a4--,a3++) {
-		rap->rap_sbf |= (1 << a3);
-		rap->rap_svr[a3] = *s++;
-	}
-
-	if ((rap->rap_sbf != 0x7ffff) || (!rap->rap_eos))	/* 19 bits */
-		return 0;
-	rap->rap_sdone = 1;
-
-	s = (u_char *)rap->rap_svr + 11;
-	if (((*s << 8) | *(s + 1)) == RA_ID_ROBUST) {
-		s += 2;
-		rap->rap_srport = (*s << 8) | *(s + 1);
-	}
-
-	swp = ip->ip_p;
-	swa = ip->ip_src;
-	swb = ip->ip_dst;
-
-	ip->ip_p = IPPROTO_UDP;
-	ip->ip_src = nat->nat_inip;
-	ip->ip_dst = nat->nat_oip;
-
-	bcopy((char *)fin, (char *)&fi, sizeof(fi));
-	bzero((char *)tcp2, sizeof(*tcp2));
-	tcp2->th_off = 5;
-	fi.fin_dp = (char *)tcp2;
-	fi.fin_fr = &raudiofr;
-	fi.fin_dlen = sizeof(*tcp2);
-	tcp2->th_win = htons(8192);
-	slen = ip->ip_len;
-	ip->ip_len = fin->fin_hlen + sizeof(*tcp);
-
-	if (((rap->rap_mode & RAP_M_UDP_ROBUST) == RAP_M_UDP_ROBUST) &&
-	    (rap->rap_srport != 0)) {
-		dp = rap->rap_srport;
-		sp = rap->rap_prport;
-		tcp2->th_sport = htons(sp);
-		tcp2->th_dport = htons(dp);
-		fi.fin_data[0] = dp;
-		fi.fin_data[1] = sp;
-		ipn = nat_new(nat->nat_ptr, ip, &fi, 
-			      IPN_UDP | (sp ? 0 : FI_W_SPORT), NAT_OUTBOUND);
-		if (ipn != NULL) {
-			ipn->nat_age = fr_defnatage;
-			(void) fr_addstate(ip, &fi, sp ? 0 : FI_W_SPORT);
-		}
-	}
-
-	if ((rap->rap_mode & RAP_M_UDP) == RAP_M_UDP) {
-		sp = rap->rap_plport;
-		tcp2->th_sport = htons(sp);
-		tcp2->th_dport = 0; /* XXX - don't specify remote port */
-		fi.fin_data[0] = sp;
-		fi.fin_data[1] = 0;
-		ipn = nat_new(nat->nat_ptr, ip, &fi, IPN_UDP|FI_W_DPORT,
-			      NAT_OUTBOUND);
-		if (ipn != NULL) {
-			ipn->nat_age = fr_defnatage;
-			(void) fr_addstate(ip, &fi, FI_W_DPORT);
-		}
-	}
-
-	ip->ip_p = swp;
-	ip->ip_len = slen;
-	ip->ip_src = swa;
-	ip->ip_dst = swb;
-	return 0;
-}